Population:
313,232,044 (July 2011 est.)
country comparison to the world: 3
Age structure:
0-14 years: 20.1% (male 32,107,900/female 30,781,823)
15-64 years: 66.8% (male 104,411,352/female 104,808,064)
65 years and over: 13.1% (male 17,745,363/female 23,377,542) (2011 est.)
Median age:
total: 36.9 years
male: 35.6 years
female: 38.2 years (2011 est.)
Population growth rate:
0.963% (2011 est.)
country comparison to the world: 119
Birth rate:
13.83 births/1,000 population (2011 est.)
country comparison to the world: 149
Death rate:
8.38 deaths/1,000 population (July 2011 est.)
country comparison to the world: 89
Net migration rate:
4.18 migrant(s)/1,000 population (2011 est.)
country comparison to the world: 23
Urbanization:
urban population: 82% of total population (2010)
rate of urbanization: 1.2% annual rate of change (2010-15 est.)
Major cities - population:
New York-Newark 19.3 million; Los Angeles-Long Beach-Santa Ana 12.675 million; Chicago 9.134 million; Miami 5.699 million; WASHINGTON, D.C. (capital) 4.421 million (2009)